onsemi TIP121G BJTs
NPN Darlington BJT, 80V, 5A, TO-220 Power Transistor

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
TIP121G
Detailed Description
NPN Darlington BJT, 80V, 5A, TO-220 Power Transistor
Package
TO-220
Lifecycle Status
Active
Datasheet
TIP121G Datasheet
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Technical Specifications
onsemi TIP121G BJTs technical specifications.
General
Package / Case
TO-220-3
Mounting Type
Through Hole
Operating Temperature
-65°C ~ 150°C (TJ)
Lifecycle Status
Active
Current Collector Cutoff Max
500µA
Dc Current Gain Hfe Min IC Vce
1000 @ 3A, 3V
Power Max
2 W
Transistor Type
NPN - Darlington
Current Collector IC Max
5 A
Voltage Collector Emitter Breakdown Max
80 V
Alternate Parts Comparison (TIP121G vs TIP29BG vs TIP29CG vs TIP29AG)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | TO-220-3 | TO-220-3 | TO-220-3 | TO-220-3 |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole |
| Operating Temperature | -65°C ~ 150°C (TJ) | -65°C ~ 150°C (TJ) | -65°C ~ 150°C (TJ) | -65°C ~ 150°C (TJ) |
| Lifecycle Status | Active | Active | Active | Active |
| Current Collector Cutoff Max | 500µA | 300µA | 300µA | 300µA |
| Current Collector IC Max | 5 A | 1 A | 1 A | 1 A |
| Dc Current Gain Hfe Min IC Vce | 1000 @ 3A, 3V | 15 @ 1A, 4V | 15 @ 1A, 4V | 15 @ 1A, 4V |
| Description | TRANS NPN DARL 80V 5A TO-220 | TRANS NPN 80V 1A TO-220 | TRANS NPN 100V 1A TO-220 | TRANS NPN 60V 1A TO-220 |
| Detailed Description | Bipolar (BJT) Transistor NPN - Darlington 80 V 5 A 2 W Through Hole TO-220 | Bipolar (BJT) Transistor NPN 80 V 1 A 3MHz 2 W Through Hole TO-220 | Bipolar (BJT) Transistor NPN 100 V 1 A 3MHz 2 W Through Hole TO-220 | Bipolar (BJT) Transistor NPN 60 V 1 A 3MHz 2 W Through Hole TO-220 |
| Power Max | 2 W | 2 W | 2 W | 2 W |
| Transistor Type | NPN - Darlington | NPN | NPN | NPN |
| Vce Saturation Max Ib IC | 4V @ 20mA, 5A | 700mV @ 125mA, 1A | 700mV @ 125mA, 1A | 700mV @ 125mA, 1A |
| Action |
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